1function terminateTest()
2{
3    if (window.layoutTestController)
4        layoutTestController.notifyDone();
5}
6
7function logAndTerminateTest(message, error)
8{
9    log(message + ": " + error.message);
10    terminateTest();
11}
12
13function cleanup(db)
14{
15    db.transaction(function(tx) {
16            tx.executeSql("DROP TABLE IF EXISTS Test;");
17            tx.executeSql("DROP INDEX IF EXISTS TestIndex;");
18            tx.executeSql("DROP VIEW IF EXISTS TestView;");
19            tx.executeSql("DROP TRIGGER IF EXISTS TestTrigger;");
20        }, function(error) { logAndTerminateTest("Cleanup failed", error); });
21}
22
23function statementSuccessCallback(statementType)
24{
25    log(statementType + " statement succeeded.");
26}
27
28function statementErrorCallback(statementType, error)
29{
30    log(statementType + " statement failed: " + error.message);
31    return false;
32}
33
34function executeStatement(tx, statement, operation)
35{
36    tx.executeSql(statement, [],
37                  function(result) { statementSuccessCallback(operation); },
38                  function(tx, error) { return statementErrorCallback(operation, error); });
39}
40
41function createTableCallback(tx)
42{
43    executeStatement(tx, "CREATE TABLE Test (Foo int);", "SQLITE_CREATE_TABLE");
44}
45
46function createStatementsCallback(tx)
47{
48    executeStatement(tx, "CREATE INDEX TestIndex ON Test (Foo);", "SQLITE_CREATE_INDEX");
49
50    // Even though the following query should trigger a SQLITE_CREATE_TEMP_INDEX operation
51    // (according to http://www.sqlite.org/tempfiles.html), it doesn't, and I'm not aware
52    // of any other way to trigger this operation. So we'll skip it for now.
53    //executeStatement(tx, "SELECT * FROM Test WHERE Foo IN (1, 2, 3);", "SQLITE_CREATE_TEMP_INDEX");
54
55    executeStatement(tx, "CREATE TEMP TABLE TestTempTable (Foo int);", "SQLITE_CREATE_TEMP_TABLE");
56    executeStatement(tx, "CREATE TEMP TRIGGER TestTempTrigger INSERT ON Test BEGIN SELECT COUNT(*) FROM Test; END;", "SQLITE_CREATE_TEMP_TRIGGER");
57    executeStatement(tx, "CREATE TEMP VIEW TestTempView AS SELECT COUNT(*) FROM Test;", "SQLITE_CREATE_TEMP_VIEW");
58    executeStatement(tx, "CREATE TRIGGER TestTrigger INSERT ON Test BEGIN SELECT COUNT(*) FROM Test; END;", "SQLITE_CREATE_TRIGGER");
59    executeStatement(tx, "CREATE VIEW TestView AS SELECT COUNT(*) FROM Test;", "SQLITE_CREATE_VIEW");
60    executeStatement(tx, "CREATE VIRTUAL TABLE TestVirtualTable USING MissingModule;", "SQLITE_CREATE_VTABLE");
61}
62
63function otherStatementsCallback(tx)
64{
65    executeStatement(tx, "SELECT COUNT(*) FROM Test;", "SQLITE_READ");
66    executeStatement(tx, "SELECT COUNT(*) FROM Test;", "SQLITE_SELECT");
67    executeStatement(tx, "DELETE FROM Test;", "SQLITE_DELETE");
68    executeStatement(tx, "INSERT INTO Test VALUES (1);", "SQLITE_INSERT");
69    executeStatement(tx, "UPDATE Test SET Foo = 2 WHERE Foo = 1;", "SQLITE_UPDATE");
70    executeStatement(tx, "PRAGMA cache_size;", "SQLITE_PRAGMA");
71
72    executeStatement(tx, "ALTER TABLE Test RENAME TO TestTable;", "SQLITE_ALTER_TABLE");
73    // Rename the table back to its original name
74    executeStatement(tx, "ALTER TABLE TestTable RENAME To Test;", "SQLITE_ALTER_TABLE");
75
76    executeStatement(tx, "BEGIN TRANSACTION;", "SQLITE_TRANSACTION");
77    executeStatement(tx, "ATTACH main AS TestMain;", "SQLITE_ATTACH");
78    executeStatement(tx, "DETACH TestMain;", "SQLITE_DETACH");
79    executeStatement(tx, "REINDEX;", "SQLITE_REINDEX");
80    executeStatement(tx, "ANALYZE;", "SQLITE_ANALYZE");
81
82    // SQLITE_FUNCTION: allowed write mode
83    // There is no SQL/Javascript API to add user-defined functions to SQLite,
84    // so we cannot test this operation
85}
86
87function dropStatementsCallback(tx)
88{
89    executeStatement(tx, "DROP INDEX TestIndex;", "SQLITE_DROP_INDEX");
90
91    // SQLITE_DROP_TEMP_INDEX: allowed in write mode
92    // Not sure how to test this: temp indexes are automatically dropped when
93    // the database is closed, but HTML5 doesn't specify a closeDatabase() call.
94
95    executeStatement(tx, "DROP TABLE TestTempTable;", "SQLITE_DROP_TEMP_TABLE");
96    executeStatement(tx, "DROP TRIGGER TestTempTrigger;", "SQLITE_DROP_TEMP_TRIGGER");
97    executeStatement(tx, "DROP VIEW TestTempView;", "SQLITE_DROP_TEMP_VIEW");
98    executeStatement(tx, "DROP TRIGGER TestTrigger;", "SQLITE_DROP_TRIGGER");
99    executeStatement(tx, "DROP VIEW TestView;", "SQLITE_DROP_VIEW");
100
101    // SQLITE_DROP_VTABLE: allowed in write mode
102    // Not sure how to test this: we cannot create a virtual table because we do not
103    // have SQL/Javascript APIs to register a module that implements a virtual table.
104    // Therefore, trying to drop a virtual table will always fail (no such table)
105    // before even getting to the authorizer.
106
107    executeStatement(tx, "DROP TABLE Test;", "SQLITE_DROP_TABLE");
108}
109
110function testReadWriteMode(db)
111{
112    db.transaction(function(tx) {
113            createTableCallback(tx);
114            createStatementsCallback(tx);
115            otherStatementsCallback(tx);
116            dropStatementsCallback(tx);
117        },
118        function(error) { logAndTerminateTest("Write transaction failed", error); },
119        function() { log("Write transaction succeeded."); });
120}
121
122function testReadOnlyMode(db)
123{
124    // Test the 'CREATE TABLE' operation; it should be disallowed
125    db.readTransaction(createTableCallback,
126        function(error) { logAndTerminateTest("Read 'CREATE TABLE' transaction failed", error); });
127
128    // In order to test all other 'CREATE' operations, we must create the table first
129    db.transaction(createTableCallback,
130        function(error) { logAndTerminateTest("Write 'CREATE TABLE' transaction failed", error); });
131    db.readTransaction(createStatementsCallback,
132        function(error) { logAndTerminateTest("Read 'CREATE' transaction failed", error); });
133
134    // In order to test the 'DROP' and 'other' operations, we need to first create the respective entities
135    db.transaction(createStatementsCallback,
136        function(error) { logAndTerminateTest("Write 'CREATE' transaction failed", error); });
137    db.readTransaction(otherStatementsCallback,
138        function(error) { logAndTerminateTest("Read 'other' transaction failed", error); });
139
140    // Hack: insert an empty write transaction to guaratee that these transactions are executed sequentially
141    db.transaction(function(tx) { });
142    db.readTransaction(dropStatementsCallback,
143        function(error) { logAndTerminateTest("Read 'DROP' transaction failed", error); },
144        function() { log("Read transactions succeeded."); terminateTest(); });
145}
146
147function runTest()
148{
149    var db = openDatabaseWithSuffix("AuthorizerTest", "1.0", "Tests the database authorizer.", 32768);
150    cleanup(db);
151    testReadWriteMode(db);
152    testReadOnlyMode(db);
153}
154